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L28 pistons at 120thou(3mm) over?


datfreak

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On 1/24/2006 at 10:54 AM, Turbo280Z said:

what do u think would be the possible most to bore it out? i was messin around with the engine make thing and if the numbers fit like that says it does it would be like $5500 for a all forged bottom end all custom sized. and i figured out to make a 3.6L with the l28 block. so here are my questions..

1. what is the most u can bore?

2. whats the biggest possible stroke for the crank?

3. what is the minimum pin height that can eb used?

 

heres what im hoping i can do....

91 bore

92 stroke

139 rods

flat top piston with 21 pin height

2mm HG

p90 head

 

if it fits it works out to be

3.590L

CR 8.55

 

any input would be great guys thanks.....

 

and a huge turbo 3.6 240z would be SO FAST lol

I’m not a very experienced person, but I see a few problems here, first of all

people are already risking it with 3 mm over bore, and 133mm rods barely fit without clearancing the block, but I could be incorrect, but the biggest stroker I’ve heard of is a 3.2 with a 91mm bore, and I’m not quite sure of the rod length.

 

feel free to correct me if I’m wrong

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